What Is the Functionality of Map Function in JavaScript?
Learn the functionality of the map() function in JavaScript. Explore how it transforms arrays by applying a callback to each element and returns a new array with the results.
Sign in to track your courses, save progress, and apply for internships. Sign in or create an account.
3 Answers
creates a new array from calling a function for every array element.
map() is a method of the Array object. It creates a new array by calling a function on every element of the original array and storing the results in a new array. map() returns the new array, and the original array is unchanged.
The 'map()' function applies a function to each element of an existing array and returns a new array.
